一、詳細釋義：

n.

英[?di?kri?s]; [d??kri?s]；美[?di?kris]

減小，減少 [U,C]

例句：

There has been a decrease in our imports this year.

我們今年進口物品減少了。

例句：

Is your production on the decrease?

你們的產(chǎn)量在減少嗎？

減少量，減少額 [C]

例句：

The decrease in salary payable is $20.

應(yīng)付工資減少額是20美元。

例句：

The increase or decrease in these liabilities should be adjusted.

這些負債的增加額或減少額也要進行調(diào)整。

v.

英[d??kri?s]；美[di?kris]; [d??kris]

減小，減少 [I,T]

例句：

What crime do you think will decrease in the future?

你認為在將來什么樣的犯罪會減少？

例句：

These measures will help decrease the cost of production.

這些措施有助于降低生產(chǎn)成本。

二、詞義辨析：

decrease,diminish,lessen,reduce,dwindle

這些協(xié)詞的共同含義是“減少，變少”。 decrease指逐漸地、不斷地減少。 diminish側(cè)重大小數(shù)量和重要性的不斷減小，強調(diào)減小的部分。 lessen普通用詞，與decrease近義。指數(shù)目、程度、價值、實力等的減少。 reduce普通用詞，含義廣。指數(shù)量、程度的降低或減少。 dwindle與decrease同義，指逐漸減小，但強調(diào)變得越來越少終至全無。

三、參考例句：

The population began to decrease.

人口開始減少。

The decrease in salary payable is $20.

應(yīng)付工資減少額是20美元。

three times temper will decrease the hardness.

三次回火后，硬度反而降低。

The decrease in unemployment was 30 percent.

失業(yè)人數(shù)減少了百分之三十。

Is your production on the decrease?

你們的產(chǎn)量在減少嗎？

The increase or decrease in these liabilities should be adjusted.

這些負債的增加額或減少額也要進行調(diào)整。

They are making every effort to decrease the production cost.

他們正努力減少生產(chǎn)成本。

Both unemployed, the couple had to decrease their household expenses.

夫婦倆都失業(yè)了，不得不減少家庭開支。

They are making further efforts to decrease military spending.

他們正在做進一步的努力來減少軍費開支。

These measures will help decrease the cost of production.

這些措施有助于降低生產(chǎn)成本。